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T

T&E

TA

TACTED

TACTERM

Tactical Communication System

TAG

Tailing

TAISS

Tamper-Indicative Seal

Tanked

Tap

Tapes

Tar

Tar And Feather

Target

Targeted attacks

Target-of-opportunity attacks

Tasking

TASO

Taste

Tayste

TCB

TCD

TCP (Transmission Control Protocol)

TCP port scanning

TCP/IP standards

TCP/IP-OSI architecture

TCS

TCSEC

TCSEC/ITSEC/Common Criteria

TCU

TD

TD:D1

TD:D2

TDBI

TDM

TDMA

Tea, ISO Standard Cup Of

Technical Attack

Technical Document

Technical Information

Technical Penetration

Technical Point Of Contact

Technical Rationale Behind Csc-Std-003-85: Computer Security Requirements

Technical Review

Technical Review Board

Technical Security

Technical Security Guidance

Technical Security Hazard

Technical Security Material

Technical Surveillance Countermeasures

Technical Vulnerability

Technological Attack

Technological Threats

Technology Trade-Offs

Technology Trends

Techspeak. Square Tape

TECO

TED

Tee

TEI

TEK

Telecommunication

Telecommunication Architecture

Telecommunication Facilities

Telecommunication Service

Telecommunication System

Telecommunication System Operator

Telecommunications

Telecommunications And Automated Information Systems Security

Telecommunications closet

Telecommunications Security

Telecommunications System

Telemetry Intelligence

Telephone Exchange

Teleprocessing Security

Telerat

Teletex

Teletypewriter (TTY)

Teletypewriter Control Unit

Teletypewriter Exchange Service

TELINT

TELNET

TEMP

TEMPEST

TEMPEST Channel

TEMPEST Encoding

Temporal Key Integrity Protocol (TKIP)

Tense

Tenured Graduate Student

TEP

Tera

Terminal Adapter

Terminal Area Security Officer

Terminal Brain Death

Terminal Identification

Terminal Illness

Terminal Junkie

Terpri

Test

Test And Validation

Test Detection System

Test Documentation

TEST:D1

TEST:D2

TeX:

Text

TFM

TFM:D1

TFM:D2

TFS

TFTP (Trivial File Transfer Protocol)

TGT (ticket granting ticket)

Theft

Theory

Thinko

Third-Party Evaluation

Thrash

Thread

Threat

Threat Analysis

Threat Assessment

Threat enumeration

Threat Monitoring

Threat Realization Cost

Threat severity

Threat Viability Threshold

Threat, Postulated

Three-Finger Salute

Thumb

Thunk

Tick

Ticket granting ticket (TGT)

Ticket-Granting Service

Ticket-Oriented

Tick-List Features

Time

Time Bomb/time-Bomb

Time Compliance Date

Time Of Occurrence

Time T

Time-Dependent Password

Time-Division Multiple Access

Time-Division Multiplexing

Time-Division Switching

Times-Or-Divided-By

Time-to-live (TTL)

Tinkerbell Program

TIOCC

Tip Of The Ice-Cube

Tits On A Keyboard

TKIP (Temporal Key Integrity Protocol)

TLA

TLS

TLS (Transport Layer Security)

TMC

TMRC

TMRCie

TNI

TNIEG

Toad

Toast

Toaster

Toggle

Token

Token-Bus Network

Token-Ring Network

Tool

Top-Level Specification

Torn-Tape Relay

Touch-Sensitive

Tourist

Tourist Information

Toy

TPC

TPI

TPOC

TPWG

Tracert

Track

Traditional COMSEC Program

Traffic

Traffic Analysis

Traffic Capacity

Traffic Encryption Key

Traffic F Low Security

Traffic Flow Confidentiality

Traffic Flow Information

Traffic Flow Security

Traffic Padding

Traffic-Flow Security

Trailer

TRANSEC

Transfer Characteristics

Transfer Function

Translating Program

Translation table

Transmission Block

Transmission Control Protocol (TCP)

Transmission Frame

Transmission Security

Transmission Security Key

Transparent Interface

Transparent protection

Transport Layer

Transport Layer Security (TLS)

Transportability

Transportable Station

Transportation Of Media

Trap

Trash

Trawl

TRB

Triple DES (3DES)

Triplet

Trit

TRI-TAC

TRI-TAC Equipment

Trivial

Trivial File Transfer Protocol (TFTP)

Troff:

Troglodyte Mode

Trojan horse backdoor program

Troll

Tron

TRR

Truncation Error

Trunk

Trunk Encryption Device (TED)

Trust

Trusted Computer System

Trusted Computer System Evaluation Criteria

Trusted Computer System Evaluation Criteria (Orange Book)

Trusted Computing Base

Trusted Courier

Trusted Database Interpretation

Trusted Database Management System Interpretation Of The Tcsec

Trusted Distribution

Trusted Element

Trusted Facility Management

Trusted Facility Manual

Trusted Functionality

Trusted Identification Forwarding

Trusted Network

Trusted Network Interface

Trusted Network Interpreation

Trusted Network Interpretation (Red Book)

Trusted Network Interpretation Environments Guideline

Trusted Process

Trusted Product Evaluation Program

Trusted Product Evaluation Questionnaire

Trusted Product Evaluations

Trusted Products

Trusted Software

Trusted Subject

Trusted Unix Working Group

Trustworthy Element

TSCM

TSEC

TSEC Nomenclature

TSK

TTBT

TTL (time-to-live)

TTLS

Tty

TTY/TDD

Tube

Tunable

Tune

Tuning

Tunneled TLS (TTLS)

Turist

Turnaround Time

Turnkey

TV

Tweak

Tweeter

TWENEX:

Twiddle

Twink

Twit

Two Person Integrity

Two Pi

Two windows attack

Two-factor authentication

Twonkie

Two-Out-Of-Five Code

Two-Person Control

Two-Person Integrity

Two-Way Encryption

TWX

Type 1 Magnetic Media

Type 2 Magnetic Media

Type 3 Algorithm

Type 4 Algorithm

Type Accreditation

TWENEX:

n. /twe'neks/ The TOPS-20 operating system by DEC -- the second proprietary OS for the PDP-10 -- preferred by most PDP-10 hackers over TOPS-10 (that is, by those who were not ITS or WAITS partisans). TOPS-20 began in 1969 as Bolt, Beranek & Newman's TENEX operating system using special paging hardware. By the early 1970s, almost all of the systems on the ARPANET ran TENEX. DEC purchased the rights to TENEX from BBN and began work to make it their own. The first in-house code name for the operating system was VIROS (VIRtual memory Operating System); when customers started asking questions, the name was changed to SNARK so DEC could truthfully deny that there was any project called VIROS. When the name SNARK became known, the name was briefly reversed to become KRANS; this was quickly abandoned when someone objected that `krans' meant `funeral wreath' in Swedish (though some Swedish speakers have since said it means simply `wreath'; this part of the story may be apocryphal). Ultimately DEC picked TOPS-20 as the name of the operating system, and it was as TOPS-20 that it was marketed. The hacker community, mindful of its origins, quickly dubbed it TWENEX (a contraction of `twenty TENEX'), even though by this point very little of the original TENEX code remained (analogously to the differences between AT&T V6 UNIX and BSD). DEC people cringed when they heard "TWENEX", but the term caught on nevertheless (the written abbreviation `20x' was also used). TWENEX was successful and very popular; in fact, there was a period in the early 1980s when it commanded as fervent a culture of partisans as UNIX or ITS -- but DEC's decision to scrap all the internal rivals to the VAX architecture and its relatively stodgy VMS OS killed the DEC-20 and put a sad end to TWENEX's brief day in the sun. DEC attempted to convince TOPS-20 users to convert to VMS, but instead, by the late 1980s, most of the TOPS-20 hackers had migrated to UNIX.